New Delhi, Aug. 19 -- Nithin Kamath, co-founder and CEO of Zerodha, shared insights on the company's unique journey - one powered almost entirely by word-of-mouth and customer trust.

In a digital-age dominated by aggressive advertising and marketing campaigns, Zerodha's rise to one of India's largest stockbrokers offers an interesting narrative. When the Bengaluru-based fintech firm launched in 2010, it lacked the financial muscle for traditional advertising. But rather than seeing this as a hurdle, the team focused on building a product and customer experience worthy of notice.

"When we started @zerodhaonline, we didn't have the money to advertise, not that it would've worked. So that only way we could grow was through word of mouth an...